ID C2CEV4_9FIRM Unreviewed; 273 AA.
AC C2CEV4;
DT 16-JUN-2009, integrated into UniProtKB/TrEMBL.
DT 16-JUN-2009, sequence version 1.
DT 24-JAN-2024, entry version 50.
DE SubName: Full=Exodeoxyribonuclease III {ECO:0000313|EMBL:EEI83907.1};
DE EC=3.1.11.2 {ECO:0000313|EMBL:EEI83907.1};
GN Name=xth {ECO:0000313|EMBL:EEI83907.1};
GN ORFNames=HMPREF0077_0012 {ECO:0000313|EMBL:EEI83907.1};
OS Anaerococcus tetradius ATCC 35098.
OC Bacteria; Bacillota; Tissierellia; Tissierellales; Peptoniphilaceae;
OC Anaerococcus.
OX NCBI_TaxID=525255 {ECO:0000313|EMBL:EEI83907.1, ECO:0000313|Proteomes:UP000003744};
RN [1] {ECO:0000313|EMBL:EEI83907.1, ECO:0000313|Proteomes:UP000003744}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 35098 {ECO:0000313|EMBL:EEI83907.1,
RC ECO:0000313|Proteomes:UP000003744};
RA Qin X., Bachman B., Battles P., Bell A., Bess C., Bickham C., Chaboub L.,
RA Chen D., Coyle M., Deiros D.R., Dinh H., Forbes L., Fowler G.,
RA Francisco L., Fu Q., Gubbala S., Hale W., Han Y., Hemphill L.,
RA Highlander S.K., Hirani K., Hogues M., Jackson L., Jakkamsetti A.,
RA Javaid M., Jiang H., Korchina V., Kovar C., Lara F., Lee S., Mata R.,
RA Mathew T., Moen C., Morales K., Munidasa M., Nazareth L., Ngo R.,
RA Nguyen L., Okwuonu G., Ongeri F., Patil S., Petrosino J., Pham C., Pham P.,
RA Pu L.-L., Puazo M., Raj R., Reid J., Rouhana J., Saada N., Shang Y.,
RA Simmons D., Thornton R., Warren J., Weissenberger G., Zhang J., Zhang L.,
RA Zhou C., Zhu D., Muzny D., Worley K., Gibbs R.;
RL Submitted (JAN-2009) to the EMBL/GenBank/DDBJ databases.
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|PIRSR:PIRSR604808-2};
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|PIRSR:PIRSR604808-2};
CC Note=Probably binds two magnesium or manganese ions per subunit.
CC {ECO:0000256|PIRSR:PIRSR604808-2};
CC -!- SIMILARITY: Belongs to the DNA repair enzymes AP/ExoA family.
CC {ECO:0000256|ARBA:ARBA00007092}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:EEI83907.1}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; ACGC01000002; EEI83907.1; -; Genomic_DNA.
DR RefSeq; WP_004837321.1; NZ_GG666299.1.
DR AlphaFoldDB; C2CEV4; -.
DR eggNOG; COG0708; Bacteria.
DR HOGENOM; CLU_027539_1_3_9; -.
DR Proteomes; UP000003744; Unassembled WGS sequence.
DR GO; GO:0003677; F:DNA binding; IEA:InterPro.
DR GO; GO:0008311; F:double-stranded DNA 3'-5' DNA exonuclease activity; IEA:UniProtKB-EC.
DR GO; GO:0004519; F:endonuclease activity; IEA:InterPro.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0006281; P:DNA repair; IEA:InterPro.
DR CDD; cd09087; Ape1-like_AP-endo; 1.
DR Gene3D; 3.60.10.10; Endonuclease/exonuclease/phosphatase; 1.
DR InterPro; IPR004808; AP_endonuc_1.
DR InterPro; IPR020847; AP_endonuclease_F1_BS.
DR InterPro; IPR020848; AP_endonuclease_F1_CS.
DR InterPro; IPR036691; Endo/exonu/phosph_ase_sf.
DR InterPro; IPR005135; Endo/exonuclease/phosphatase.
DR NCBIfam; TIGR00195; exoDNase_III; 1.
DR NCBIfam; TIGR00633; xth; 1.
DR PANTHER; PTHR22748; AP ENDONUCLEASE; 1.
DR PANTHER; PTHR22748:SF6; DNA-(APURINIC OR APYRIMIDINIC SITE) ENDONUCLEASE; 1.
DR Pfam; PF03372; Exo_endo_phos; 1.
DR SUPFAM; SSF56219; DNase I-like; 1.
DR PROSITE; PS00726; AP_NUCLEASE_F1_1; 1.
DR PROSITE; PS00728; AP_NUCLEASE_F1_3; 1.
DR PROSITE; PS51435; AP_NUCLEASE_F1_4; 1.
PE 3: Inferred from homology;
KW Hydrolase {ECO:0000313|EMBL:EEI83907.1};
KW Magnesium {ECO:0000256|PIRSR:PIRSR604808-2};
KW Manganese {ECO:0000256|PIRSR:PIRSR604808-2};
KW Metal-binding {ECO:0000256|PIRSR:PIRSR604808-2}.
FT DOMAIN 4..260
FT /note="Endonuclease/exonuclease/phosphatase"
FT /evidence="ECO:0000259|Pfam:PF03372"
FT ACT_SITE 128
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-1"
FT ACT_SITE 167
FT /note="Proton donor/acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-1"
FT ACT_SITE 266
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-1"
FT BINDING 7
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT BINDING 44
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT BINDING 167
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT BINDING 169
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT BINDING 265
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT BINDING 266
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT SITE 169
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-3"
FT SITE 240
FT /note="Important for catalytic activity"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-3"
FT SITE 266
FT /note="Interaction with DNA substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-3"
SQ SEQUENCE 273 AA; 31488 MW; D294855926E742DB CRC64;
MKFISWNIDS LNAALTSDSA RAKLSRDVLD TIKNEDADII ALQETKLPAT GPSKKHKEKL
FEFFPDYDYF WVSSRDSARK SYAGTMTLYK KGLKVKESFP EIGAPDTMDL EGRILTLELD
DYYFVQVYTP NAGGELNRLP LREIWDLKFA DYLEELDKIK PVIATGDFNV AHEEIDLAHP
ENNHMSAGFT DEERRGFTNL LNRGFTDSFR YLNKDLEGAY TWWAQRVKTS KINNSGWRID
YFLVSDRLID KVKDSTMIDS GQRQDHTPIM LEI
//